Water Temperature of the Tuolumne River in Groveland, CA

Current Water Temperature

47.7°F

Measurement Time: Thursday, March 5, 2026, 10:30 AM PST

Temperature Locations

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Local Points of Interest

Stanislaus National Forest; Colfax Spring, CA; Mather, CA; Harden Flat, CA

Tuolumne River

Station Name: TUOLUMNE R BL EARLY INTAKE NR MATHER CA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 2,369 feet

Nearest Address:
Cherry Lake Rd
Groveland, CA 95321
Tuolumne County

GPS Coordinates: 37.8815908, -119.9701824

Nearby Water Temperatures

Tuolumne River, Groveland, CA (1.3 mi)
Cherry Creek, Groveland, CA (6.6 mi)
Tuolumne River, Groveland, CA (10.1 mi)
Tuolumne River, Groveland, CA (17.1 mi)
Merced River, Yosemite Valley, CA (24.7 mi)
Middle Fork San Joaquin River, Mammoth Lakes, CA (51.3 mi)
Deadman Creek, Mammoth Lakes, CA (57 mi)
Hot Creek, Mammoth Lakes, CA (62.8 mi)
Hot Creek, Mammoth Lakes, CA (63.4 mi)
San Joaquin River, Friant, CA (63.4 mi)
Hot Creek, Mammoth Lakes, CA (64.6 mi)
Trout Creek, South Lake Tahoe, CA (71.7 mi)
Upper Truckee River, South Lake Tahoe, CA (71.9 mi)
General Creek, Tahoma, CA (81.3 mi)
South Fork American River, Rescue, CA (82.9 mi)

Weather for Groveland, California

Current Weather

52.1°F
Clear
Clear
48.6°F
52.1°F
59%
WSW 2.2 mph
6.7 mph
48.6°F
39.5°F
0 in
0%
6 mi
1016 mbar
1

Five Day Weather Forecast

Sunny
Thu
H: 56°F
L: 38°F
Sunny
Fri
H: 58°F
L: 41°F
Sunny
Sat
H: 61°F
L: 51°F
Sunny
Sun
H: 66°F
L: 54°F
Sunny
Mon
H: 67°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 2.35 μg/m3
PM10: 2.35 μg/m3
Carbon Monoxide: 149.85 μg/m3
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 12:11 AM
Sunset: 5:58 PM
Daylight: 11 hrs 32 mins
Moonrise: 8:38 PM
Moon Transit: 1:31 AM
Moonset: 7:19 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
9:16 AM - 11:46 AM

Minor Periods

8:08 PM - 9:38 PM
6:49 AM - 8:19 AM

Action Rating: 4 out of 5

Wind Advisory issued March 5 at 11:09AM PST until March 7 at 10:00PM PST by NWS Hanford CA

Effective: Thu March 5, 2026, 11:09 AM
Expires: Thu March 5, 2026, 7:15 PM

* WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Kings Canyon NP, Sequoia NP, South End of the Upper Sierra, Upper San Joaquin River, and Yosemite NP outside of the valley. * WHEN...From 7 PM this evening to 10 PM PST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Wind impacts will primarily be for areas above 8,000 feet.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Thursday, March 5, 2026

Weather Forecast

Sunny
55.6°F
38.3°F
46.4°F
49%
0 in
0%
0%
11 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 3.47 μg/m3
PM10: 9.56 μg/m3
Carbon Monoxide: 153.97 μg/m3
Nitrogen Dioxide: 4.01 μg/m3
Sulphur Dioxide: 1.62 μg/m3
Ozone: 74.12 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 12:11 AM
Sunset: 5:58 PM
Daylight: 11 hrs 32 mins
Moonrise: 8:38 PM
Moon Transit: 1:31 AM
Moonset: 7:19 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
9:16 AM - 11:46 AM

Minor Periods

8:08 PM - 9:38 PM
6:49 AM - 8:19 AM

Action Rating: 4 out of 5

Friday, March 6, 2026

Weather Forecast

Sunny
57.9°F
40.8°F
50.1°F
47%
0 in
0%
0%
6.5 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 2.89 μg/m3
PM10: 6.38 μg/m3
Carbon Monoxide: 160.21 μg/m3
Nitrogen Dioxide: 3.59 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 77.2 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 12:11 AM
Sunset: 5:59 PM
Daylight: 11 hrs 34 mins
Moonrise: 9:40 PM
Moon Transit: 2:14 AM
Moonset: 7:43 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

1:44 AM - 4:14 AM
9:59 AM - 12:29 AM

Minor Periods

9:10 PM - 10:40 PM
7:13 AM - 8:43 AM

Action Rating: 2 out of 5

Saturday, March 7, 2026

Weather Forecast

Sunny
61.3°F
50.5°F
55.5°F
40%
0 in
0%
0%
6.5 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 3.68 μg/m3
PM10: 6.35 μg/m3
Carbon Monoxide: 152.53 μg/m3
Nitrogen Dioxide: 4.1 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 83.12 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 12:00 AM
Sunset: 6:00 PM
Daylight: 11 hrs 37 mins
Moonrise: 10:43 PM
Moon Transit: 2:58 AM
Moonset: 8:09 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:28 AM - 4:58 AM
10:43 AM - 1:13 PM

Minor Periods

10:13 PM - 11:43 PM
7:39 AM - 9:09 AM

Action Rating: 2 out of 5

Sunday, March 8, 2026

Weather Forecast

Sunny
65.7°F
54°F
58.6°F
57%
0 in
0%
0%
5.8 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 4.44 μg/m3
PM10: 6.71 μg/m3
Carbon Monoxide: 165.41 μg/m3
Nitrogen Dioxide: 5.31 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 68.8 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 12:00 AM
Sunset: 6:01 PM
Daylight: 11 hrs 39 mins
Moonrise: 11:44 PM
Moon Transit: 3:43 AM
Moonset: 8:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 69.3%

Best Times for Fishing or Hunting

Major Periods

3:13 AM - 5:43 AM
11:30 AM - 2:00 PM

Minor Periods

12:00 AM - 12:00 AM
8:09 AM - 9:39 AM

Action Rating: 2 out of 5

Monday, March 9, 2026

Weather Forecast

Sunny
67.1°F
52.2°F
58.3°F
64%
0 in
0%
0%
6.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 6.33 μg/m3
PM10: 7.44 μg/m3
Carbon Monoxide: 228.98 μg/m3
Nitrogen Dioxide: 9.88 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 49.25 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 12:00 AM
Sunset: 6:02 PM
Daylight: 11 hrs 42 mins
Moonrise: 12:44 AM
Moon Transit: 4:30 AM
Moonset: 9:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 58.5%

Best Times for Fishing or Hunting

Major Periods

4:00 AM - 6:30 AM
12:17 AM - 2:47 PM

Minor Periods

8:42 AM - 10:12 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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